code: def test_rmsd():
      data_path_1 = os.path.join(this_dir, "data", "1b5e_1.mol2")
      data_path_2 = os.path.join(this_dir, "data", "1b5e_2.mol2")
  
      pdmol_1 = PandasMol2().read_mol2(data_path_1)
      pdmol_2 = PandasMol2().read_mol2(data_path_2)
  
      assert (
          pdmol_1.rmsd(pdmol_1.df, pdmol_2.df, heavy_only=False)
          == 1.5523
      )
      assert pdmol_1.rmsd(pdmol_1.df, pdmol_2.df) == 1.1609
  
file_path: biopandas/biopandas/mol2/tests/test_pandas_mol2.py
imports: import os
  from biopandas.mol2 import PandasMol2
  from biopandas.mol2.mol2_io import split_multimol2
  from biopandas.testutils import assert_raises
label_desc: Use image node_id 3 for calling a global function with example usage: test_rmsd() without return types